Stapler apparatus



FIG. 1 is a front perspective view of a stapler apparatus showing my new design;

FIG. 2 is a front view of the embodiment of FIG. 1 (shown at an enlarged scale);

FIG. 3 is a back view of the embodiment of FIG. 1 (shown at an enlarged scale);

FIG. 4 is a top view of the embodiment of FIG. 1 ; and,

FIG. 5 is a left side plan view of the embodiment of FIG. 1 , the right side being identical.

The dotted lines illustrate portions of the stapler apparatus and form no part of the claimed design. 

CLAIM The ornamental design for the stapler apparatus, as shown and described. 